28938118

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:828

約数の個数: 24

約数和(自身を含む): 48033216

約数和(自身を除く): 19095098

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 607, 1214, 2167, 4334, 6677, 13354, 23837, 47674, 73447, 119579, 146894, 239158, 1315369, 2630738, 14469059, 28938118]

約数ペア:

[(1, 28938118), (2, 14469059), (11, 2630738), (22, 1315369), (121, 239158), (197, 146894), (242, 119579), (394, 73447), (607, 47674), (1214, 23837), (2167, 13354), (4334, 6677)]